//
//  AppDelegate.swift
//  swiftweibo
//
//  Created by Apple on 15/11/22.
//  Copyright © 2015年 tzw. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    
    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        // 设置皮肤
            setupAppearance()
        // 设置window的frame值
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.backgroundColor = UIColor.whiteColor()
//       let tabBarVc = CZMainViewController()
        
        // 设置根控制器
        window?.rootViewController = defaultController()
//        window?.rootViewController = CZNewFeatureViewController()
//        isNewFeeature()
        window?.makeKeyAndVisible()
        return true
    }
    // MARK: - 判断进入哪个控制器
    private func defaultController()->UIViewController{
        // 判断用户是否登录
        if !CZUserAccount.userLogin{
            // 显示访客视图
            return CZMainViewController()
        }
        // 用户已经登录则判断是否是新版本
        return isNewFeature() ? CZNewFeatureViewController() : CZWellcomViewController()
    }
    // 其它界面切换控制器若是true则切换到MainViewController，false则到欢迎界面
    private func switchViewController(isMain: Bool){
        window?.rootViewController = isMain ? CZMainViewController() : CZWellcomViewController()
    }
    // 提供一个类方法给外界调用
    class func  switchRootViewController(isMain: Bool){
        (UIApplication.sharedApplication().delegate as? AppDelegate)?.switchViewController(isMain)
    }
    // 判断是否是新版本
    private func isNewFeature()->Bool{
        // 获取当前的版本
        let currentVersion = Double(NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as! String)!
        let asndboxVersionKey = "asndboxVersionKey"
        // 获取上一次版本号从偏好设置中取
        let asndboxVersion = NSUserDefaults.standardUserDefaults().doubleForKey(asndboxVersionKey)
        // 保存当前的版本号
        NSUserDefaults.standardUserDefaults().setDouble(currentVersion, forKey: asndboxVersionKey)
//        print("currentVersion:\(currentVersion)")
//        print("asndboxVersion:\(asndboxVersion)")
        // 比较当前的版本号
        return currentVersion != asndboxVersion
    }
    // 设置皮肤
    func setupAppearance(){
        let appearance = UINavigationBar.appearance()
        appearance.tintColor = UIColor.orangeColor()
    }

    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

